feat(common): Release 2.0.0 (#189)

docs/common-library/howto/helm-templates.md

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+---
+hide:
+  - toc
+---
+
+# Helm templates
+
+Some fields in the common library `values.yaml` allow the use of Helm templates for their values.
+This is often indicated by a remark similar to `Helm template enabled` in the field description.
+
+This feature allows you to set the value of that key to the output of the given Helm template.
+
+## Example
+
+Given the following `values.yaml`
+
+```yaml
+containers:
+  subcleaner:
+    name: subcleaner
+
+    image:
+      repository: k8s.gcr.io/git-sync/git-sync
+      tag: {{.Chart.AppVersion}}
+
+    args:
+      - --repo=https://github.com/KBlixt/subcleaner.git
+      - --branch=master
+      - --depth=1
+      - --root=/add-ons/subcleaner
+```
+
+This would render as follows:
+
+```yaml
+containers:
+  subcleaner:
+    name: subcleaner
+
+    image:
+      repository: k8s.gcr.io/git-sync/git-sync
+      tag: v3.6.2
+
+    args:
+      - --repo=https://github.com/KBlixt/subcleaner.git
+      - --branch=master
+      - --depth=1
+      - --root=/add-ons/subcleaner
+```

docs/common-library/howto/index.md

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+# How to...
+
+Here you can find information on how to accomplish specific scenario's.

docs/common-library/howto/multiple-subpath.md

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+---
+hide:
+  - toc
+---
+
+# Multiple subPaths for 1 volume
+
+It is possible to mount multiple subPaths from the same volume to a
+container. This can be achieved by specifying `subPath` with a list
+instead of a string.
+
+## Example
+
+```yaml
+persistence:
+  config:
+    type: configMap
+    name: my-configMap
+    advancedMounts:
+      main: # (1)
+        main: # (2)
+          - path: /data/config.yaml
+            readOnly: false
+            subPath: config.yaml
+          - path: /data/secondConfigFile.yaml
+            readOnly: false
+            subPath: secondConfigFile.yaml
+        second-container: # (3)
+          - path: /appdata/config
+            readOnly: true
+      second-controller: # (4)
+        main: # (5)
+          - path: /data/config.yaml
+            readOnly: false
+            subPath: config.yaml
+```
+
+1.  the controller with the "main" identifier
+2.  the container with the "main" identifier
+3.  the container with the "second-container" identifier
+4.  the controller with the "second-controller" identifier
+5.  the container with the "main" identifier