Map ⇔ and ⇒ to Option+Shift+H and Option+Shift+L

AltGr+Shift+H and AltGr+Shift+L on Windows respectively.

Finner.keylayout

@@ -1,7 +1,7 @@
 <?xml version="1.1" encoding="UTF-8"?>
 <!DOCTYPE keyboard SYSTEM "file://localhost/System/Library/DTDs/KeyboardLayout.dtd">
 <!--Created by Ukelele version 3.2.7.195 on 2018-12-30 at 16:50 (EET)-->
-<!--Last edited by Ukelele version 3.4.2.314 on 2020-10-20 at 23:08 (EEST)-->
+<!--Last edited by Ukelele version 359 on 2023-06-17 at 20:06 (EEST)-->
 <keyboard group="126" id="-30432" name="Finner" maxout="2">
     <layouts>
         <layout first="0" last="17" mapSet="ANSI" modifiers="Modifiers"/>
@@ -365,7 +365,7 @@
             <key code="1" output="ß"/>
             <key code="2" output=""/>
             <key code="3" output=""/>
-            <key code="4" output=""/>
+            <key code="4" output="⇔"/>
             <key code="5" output=""/>
             <key code="6" output="»"/>
             <key code="7" output="›"/>
@@ -398,7 +398,7 @@
             <key code="34" output=""/>
             <key code="35" output="¶"/>
             <key code="36" output="&#x000D;"/>
-            <key code="37" output=""/>
+            <key code="37" output="⇒"/>
             <key code="38" output=""/>
             <key code="39" output="Æ"/>
             <key code="40" output=""/>

README.md

@@ -64,7 +64,7 @@ ASDFGHJKLÖÄ*
 ```
  ¹²³⁴⁵⁶⁷⁸⁹⁰±¦
 ⋅×÷‰† Ü °¶Å”
- ß       ŒÆ’
+ ß   ⇔  ⇒ŒÆ’
 ≥»›     ″ —
 ```
 (Pressing space types ` `, the `U+00A0 NO-BREAK SPACE (NBSP)` character)