doc: add readme file of the helm chart (#1095)

Signed-off-by: rick <LinuxSuRen@users.noreply.github.com>
Co-authored-by: rick <LinuxSuRen@users.noreply.github.com>

files/helm/fastgpt/Chart.yaml

 apiVersion: v2
 apiVersion: v2
 name: fastgpt
 name: fastgpt
-description: A Helm chart for Kubernetes
+description: A Helm chart for FastGPT
 
 
 # A chart can be either an 'application' or a 'library' chart.
 # A chart can be either an 'application' or a 'library' chart.
 #
 #

files/helm/fastgpt/README.md

+# fastgpt
+
+![Version: 0.1.0](https://img.shields.io/badge/Version-0.1.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v4.6.6](https://img.shields.io/badge/AppVersion-v4.6.6-informational?style=flat-square)
+
+A Helm chart for FastGPT
+
+## Requirements
+
+| Repository | Name | Version |
+|------------|------|---------|
+| oci://registry-1.docker.io/bitnamicharts | mongodb | 15.0.1 |
+| oci://registry-1.docker.io/bitnamicharts | postgresql | 15.0.0 |
+
+## Values
+
+| Key | Type | Default | Description |
+|-----|------|---------|-------------|
+| affinity | object | `{}` |  |
+| autoscaling.enabled | bool | `false` |  |
+| autoscaling.maxReplicas | int | `100` |  |
+| autoscaling.minReplicas | int | `1` |  |
+| autoscaling.targetCPUUtilizationPercentage | int | `80` |  |
+| fullnameOverride | string | `""` |  |
+| image.pullPolicy | string | `"IfNotPresent"` |  |
+| image.repository | string | `"ghcr.io/labring/fastgpt"` |  |
+| image.tag | string | `""` |  |
+| imagePullSecrets | list | `[]` |  |
+| ingress.annotations | object | `{}` |  |
+| ingress.className | string | `""` |  |
+| ingress.enabled | bool | `false` |  |
+| ingress.hosts[0].host | string | `"chart-example.local"` |  |
+| ingress.hosts[0].paths[0].path | string | `"/"` |  |
+| ingress.hosts[0].paths[0].pathType | string | `"ImplementationSpecific"` |  |
+| ingress.tls | list | `[]` |  |
+| livenessProbe.httpGet.path | string | `"/"` |  |
+| livenessProbe.httpGet.port | string | `"http"` |  |
+| mongodb.architecture | string | `"replicaset"` |  |
+| mongodb.auth.rootPassword | string | `"123456"` |  |
+| mongodb.auth.rootUser | string | `"root"` |  |
+| mongodb.enabled | bool | `true` | Enable or disable the built-in MangoDB |
+| nameOverride | string | `""` |  |
+| nodeSelector | object | `{}` |  |
+| podAnnotations | object | `{}` |  |
+| podLabels | object | `{}` |  |
+| podSecurityContext | object | `{}` |  |
+| postgresql.enabled | bool | `true` | Enable or disable the built-in PostgreSQL |
+| postgresql.global.postgresql.auth.database | string | `"postgres"` | The default database of PostgreSQL |
+| postgresql.global.postgresql.auth.postgresPassword | string | `"postgres"` | The password of PostgreSQL, default username is `postgres` |
+| postgresql.image.repository | string | `"linuxsuren/pgvector"` | The PostgreSQL image which include the pgvector extension. See also the source code from https://github.com/LinuxSuRen/pgvector-docker |
+| postgresql.image.tag | string | `"v0.0.1"` |  |
+| readinessProbe.httpGet.path | string | `"/"` |  |
+| readinessProbe.httpGet.port | string | `"http"` |  |
+| replicaCount | int | `1` |  |
+| resources | object | `{}` |  |
+| securityContext | object | `{}` |  |
+| service.port | int | `3000` |  |
+| service.type | string | `"ClusterIP"` |  |
+| serviceAccount.annotations | object | `{}` |  |
+| serviceAccount.automount | bool | `true` |  |
+| serviceAccount.create | bool | `true` |  |
+| serviceAccount.name | string | `""` |  |
+| tolerations | list | `[]` |  |
+| volumeMounts | list | `[]` |  |
+| volumes | list | `[]` |  |
+
+----------------------------------------------
+Autogenerated from chart metadata using [helm-docs v1.13.1](https://github.com/norwoodj/helm-docs/releases/v1.13.1)

files/helm/fastgpt/values.yaml

@@ -112,6 +112,7 @@ tolerations: []
 affinity: {}
 affinity: {}
 
 
 mongodb:
 mongodb:
+  # -- Enable or disable the built-in MangoDB
   enabled: true
   enabled: true
   architecture: replicaset
   architecture: replicaset
   auth:
   auth:
@@ -119,13 +120,17 @@ mongodb:
     rootPassword: "123456"
     rootPassword: "123456"
 
 
 postgresql:
 postgresql:
+  # -- Enable or disable the built-in PostgreSQL
   enabled: true
   enabled: true
   image:
   image:
 #    registry: 172.11.0.6:30002
 #    registry: 172.11.0.6:30002
+    # -- The PostgreSQL image which include the pgvector extension. See also the source code from https://github.com/LinuxSuRen/pgvector-docker
     repository: linuxsuren/pgvector
     repository: linuxsuren/pgvector
     tag: v0.0.1
     tag: v0.0.1
   global:
   global:
     postgresql:
     postgresql:
       auth:
       auth:
+        # -- The password of PostgreSQL, default username is `postgres`
         postgresPassword: postgres
         postgresPassword: postgres
+        # -- The default database of PostgreSQL
         database: postgres
         database: postgres