Helmule MVP

Basic functionality is there, helmule can mirror helm chart with small
modifications

helmule/examples/patches/git/patch-2.diff

@@ -0,0 +1,34 @@
+diff --git a/values.yaml b/values.yaml
+index 7ed6839..2b144ad 100644
+--- a/values.yaml
++++ b/values.yaml
+@@ -1,6 +1,6 @@
+ image:
+   repository: registry.hub.docker.com/vaultwarden/server
+-  pullPolicy: IfNotPresent
++  pullPolicy: Always
+   # Overrides the image tag whose default is the chart appVersion.
+   tag: ""
+ imagePullSecrets: []
+@@ -10,13 +10,14 @@ podAnnotations: {}
+ podSecurityContext: {}
+ # fsGroup: 2000
+ 
+-securityContext: {}
+-# capabilities:
+-#   drop:
+-#   - ALL
+-# readOnlyRootFilesystem: true
+-# runAsNonRoot: true
+-# runAsUser: 1000
++securityContext:
++capabilities:
++  drop:
++    - ALL
++
++readOnlyRootFilesystem: true
++runAsNonRoot: true
++runAsUser: 1000
+ 
+ service:
+   type: ClusterIP

helmule/examples/patches/git/patch.diff

@@ -0,0 +1,13 @@
+diff --git a/Chart.yaml b/Chart.yaml
+index d8995d5..0e5f5a5 100644
+--- a/Chart.yaml
++++ b/Chart.yaml
+@@ -8,7 +8,7 @@ keywords:
+ - bitwarden
+ - bitwarden_rs
+ maintainers:
+-- email: allanger@badhouseplants.net
++- email: Somebody else
+   name: Nikolai Rodionov
+   url: https://badhouseplants.net
+ name: vaultwarden