Update snippets

Author: chenglou

README.md

@@ -17,6 +17,9 @@ Get it from https://packagecontrol.io/packages/ReScript
 - Formatting: Command Palette (`cmd-shift-p`) -> ReScript: Format File. caveats:
   - Currently requires the file to be part of a ReScript project, i.e. with a `bsconfig.json`.
   - Cannot be a temporary file.
+- Snippets to ease a few syntaxes:
+  - `external` features such as `@bs.module` and `@bs.val`
+  - `try`, `for`, etc.
 
 ## Upcoming Features
 

snippets/comment.sublime-snippet

@@ -0,0 +1,6 @@
+<snippet>
+  <content><![CDATA[
+@val external ${1:setTimeout}: ${2:(unit => unit, int) => float} = "${3:setTimeout}"]]></content>
+  <tabTrigger>external</tabTrigger>
+  <scope>source.res</scope>
+</snippet>

snippets/docblock.sublime-snippet

@@ -0,0 +1,6 @@
+<snippet>
+  <content><![CDATA[
+@val external ${1:setTimeout}: ${2:(unit => unit, int) => float} = "${3:setTimeout}"]]></content>
+  <tabTrigger>external</tabTrigger>
+  <scope>source.res</scope>
+</snippet>

snippets/external-global-module.sublime-snippet

@@ -0,0 +1,6 @@
+<snippet>
+  <content><![CDATA[
+@module external ${1:leftPad}: ${2:(string, int) => string} = "${3:leftPad}"]]></content>
+  <tabTrigger>external</tabTrigger>
+  <scope>source.res</scope>
+</snippet>

snippets/external-global-object.sublime-snippet

@@ -0,0 +1,6 @@
+<snippet>
+  <content><![CDATA[
+@scope("${1:Math}") @val external ${2:random}: ${3:unit => float} = "${4:random}"]]></content>
+  <tabTrigger>external</tabTrigger>
+  <scope>source.res</scope>
+</snippet>

snippets/external-js-module-default.sublime-snippet

@@ -0,0 +1,9 @@
+<snippet>
+  <content><![CDATA[
+for ${1:i} in ${2:startValueInclusive} to ${3:endValueInclusive} {
+  ${4:Js.log(${1:i})}
+}
+]]></content>
+  <tabTrigger>for</tabTrigger>
+  <scope>source.res</scope>
+</snippet>

snippets/external-js-module.sublime-snippet

@@ -0,0 +1,9 @@
+<snippet>
+  <content><![CDATA[
+for ${1:i} in ${2:startValueInclusive} downto ${3:endValueInclusive} {
+  ${4:Js.log(${1:i})}
+}
+]]></content>
+  <tabTrigger>for</tabTrigger>
+  <scope>source.res</scope>
+</snippet>