Move ideajoin examples to wiki

doc/ideajoin-examples.md

@@ -1,51 +0,0 @@
-Some examples of join command with `ideajoin` option enabled.  
-Put `set ideajoin` to your `~/.ideavimrc` to enable this functionality.
-
-1) Automatic join concatenated lines:
-
-```
-"Hello" +                 ->       "Hello world"
-" world!"
-```
-
-2) Nested if's:
-
-```
-if (a) {                  ->       if (a && b) {
-  if (b) {                             ...
-     ...                           }
-  }
-}
-```
-
-3) Remove braces from one line for / if / while:
-
-```
-if (fail) {               ->       if (fail) return;
-     return;
-}
-```
-
-4) Kotlin one line method:
-
-```
-fun myNumber(): Int {     ->       fun myNumber(): Int = 42
-    return 42
-}
-```
-
-5) Join declaration and initialization:
-
-```
-int a;                    ->       int a = 5;
-a = 5;
-```
-
-6) Chain call:
-
-```
-sb.append("a");           ->       sb.append("a").append("b");
-sb.append("b");
-```
-
-And other functions provided by the plugins.