added first cheatsheets

Cheatsheets/yaml.md

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+# YAML Ain't Markup Language
+
+```
+# Comment
+
+key: value
+key: "string\nstring"
+key: string
+key: 'string'
+key: 123
+
+object:
+  key: value
+  key2: value2
+
+object-list:
+  - list-item: value
+    key: value
+  - list-item: value2
+    key: value2
+
+object-list: [value1, value2, value3]
+
+key: |
+  This is a multiline value
+  it takes everything untill the next key
+
+key: >
+  This is a single line value
+  but it is written on multiple lines
+  just for readability
+
+key: "$USER" #Yes Variables work
+
+--- File divider to put multiple YAML configs in 1 file
+
+command:
+  - sh
+  - -c
+  - |
+    #!/bin/bash
+    printf "Hello World!"
+    exit
+  - echo  "Yes I just ran a bash script using YAML"
+```