feat(mercurial): add hgci alias for interactive commit (#8912)

Closes #8912

plugins/mercurial/README.md

@@ -16,6 +16,7 @@ plugins=(... mercurial)
 | `hga`   | `hg add`                                    |
 | `hgc`   | `hg commit`                                 |
 | `hgca`  | `hg commit --amend`                         |
+| `hgci`  | `hg commit --interactive`                   |
 | `hgb`   | `hg branch`                                 |
 | `hgba`  | `hg branches`                               |
 | `hgbk`  | `hg bookmarks`                              |

plugins/mercurial/mercurial.plugin.zsh

@@ -2,6 +2,7 @@
 alias hga='hg add'
 alias hgc='hg commit'
 alias hgca='hg commit --amend'
+alias hgci='hg commit --interactive'
 alias hgb='hg branch'
 alias hgba='hg branches'
 alias hgbk='hg bookmarks'