Merge commit '9b0050e9aabe4be65c78ccf292a348f309d50ccd' as 'docs'

```
git subtree add --prefix=docs/ https://github.com/gohugoio/hugoDocs.git master --squash
```

Closes #11925

docs/content/en/functions/strings/TrimLeft.md

@@ -0,0 +1,28 @@
+---
+title: strings.TrimLeft
+description: Returns the given string, removing leading characters specified in the cutset.
+categories: []
+keywords: []
+action:
+  aliases: []
+  related:
+    - functions/strings/Chomp
+    - functions/strings/Trim
+    - functions/strings/TrimPrefix
+    - functions/strings/TrimRight
+    - functions/strings/TrimSuffix
+  returnType: string
+  signatures: [strings.TrimLeft CUTSET STRING]
+aliases: [/functions/strings.trimleft]
+---
+
+```go-html-template
+{{ strings.TrimLeft "a" "abba" }} → bba
+```
+
+The `strings.TrimLeft` function converts the arguments to strings if possible:
+
+```go-html-template
+{{ strings.TrimLeft 21 12345 }} → 345 (string)
+{{ strings.TrimLeft "rt" true }} → ue
+```