Converting a number of inline commands to refs

Also reflowing text for line width.
Maybe look into supporting commands with options?

docs/source/yosys_internals/techmap.rst

@@ -111,10 +111,9 @@ Techmap by example
 
 .. todo:: copypaste
 
-As a quick recap, the ``techmap`` command replaces cells in the design with
-implementations given as Verilog code (called "map files"). It can replace
-Yosys' internal cell types (such as ``$or``) as well as user-defined cell
-types.
+As a quick recap, the :cmd:ref:`techmap` command replaces cells in the design
+with implementations given as Verilog code (called "map files"). It can replace
+Yosys' internal cell types (such as ``$or``) as well as user-defined cell types.
 
 - Verilog parameters are used extensively to customize the internal cell types.
 - Additional special parameters are used by techmap to communicate meta-data to
@@ -188,14 +187,15 @@ Scripting in map modules
 - You can even call techmap recursively!
 - Example use-cases:
 
-    - Using always blocks in map module: call ``proc``
-    - Perform expensive optimizations (such as ``freduce``) on cells where
-      this is known to work well.
+    - Using always blocks in map module: call :cmd:ref:`proc`
+    - Perform expensive optimizations (such as :cmd:ref:`freduce`) on cells
+      where this is known to work well.
     - Interacting with custom commands.
 
-.. note:: PROTIP: 
-    Commands such as ``shell``, ``show -pause``, and ``dump`` can be use
-    in the ``_TECHMAP_DO_*`` scripts for debugging map modules.
+.. note:: PROTIP:
+
+    Commands such as :cmd:ref:`shell`, ``show -pause``, and :cmd:ref:`dump` can
+    be used in the ``_TECHMAP_DO_*`` scripts for debugging map modules.
 
 Example: