Migrate config to KV data format (#8392)

- adding oauth support to MinIO browser (#8400) by @kanagaraj
- supports multi-line get/set/del for all config fields
- add support for comments, allow toggle
- add extensive validation of config before saving
- support MinIO browser to support proper claims, using STS tokens
- env support for all config parameters, legacy envs are also
  supported with all documentation now pointing to latest ENVs
- preserve accessKey/secretKey from FS mode setups
- add history support implements three APIs
  - ClearHistory
  - RestoreHistory
  - ListHistory
- add help command support for each config parameters
- all the bug fixes after migration to KV, and other bug
  fixes encountered during testing.

dockerscripts/docker-entrypoint.sh

@@ -39,6 +39,18 @@ docker_secrets_env() {
     fi
 }
 
+## Set KMS_MASTER_KEY from docker secrets if provided
+docker_kms_encryption_env() {
+    KMS_MASTER_KEY_FILE="/run/secrets/$MINIO_KMS_MASTER_KEY_FILE"
+
+    if [ -f "$KMS_MASTER_KEY_FILE" ]; then
+        MINIO_KMS_MASTER_KEY="$(cat "$KMS_MASTER_KEY_FILE")"
+        export MINIO_KMS_MASTER_KEY
+
+    fi
+}
+
+## Legacy
 ## Set SSE_MASTER_KEY from docker secrets if provided
 docker_sse_encryption_env() {
     SSE_MASTER_KEY_FILE="/run/secrets/$MINIO_SSE_MASTER_KEY_FILE"
@@ -66,7 +78,10 @@ docker_switch_user() {
 ## Set access env from secrets if necessary.
 docker_secrets_env
 
-## Set sse encryption from secrets if necessary.
+## Set kms encryption from secrets if necessary.
+docker_kms_encryption_env
+
+## Set sse encryption from secrets if necessary. Legacy
 docker_sse_encryption_env
 
 ## Switch to user if applicable.