add string table builder and string json

tools/tmc_strings/README.md

@@ -0,0 +1,35 @@
+# TMC-Strings
+Extract, edit and pack string tables for `The Legend of Zelda: The Minish Cap`.
+
+## Build requirements
+* make
+* gcc
+* libfmt
+
+## Usage
+```
+Usage: {} [options...]
+Options:
+  -x, --extract     Extract string table from ROM and store it in json format. (Default)
+  -p, --pack        Pack a string table from json format.
+  --region          Specify ROM region. [USA, EU]
+  --source          Specify source (-x: ROM, -p: JSON)
+  --dest            Specify string table destination.
+  --size            Specify string table size.
+```
+
+## Extra tools
+
+Requires:
+* **us.gba** `sha1: b4bd50e4131b027c334547b4524e2dbbd4227130`
+* **eu.gba** `sha1: cff199b36ff173fb6faf152653d1bccf87c26fb7`
+
+command|result
+---|---
+`make all` | Build program
+`make run` | `extract` and `pack`
+`make extract` | extract the string table to editable json files
+`make pack` | package the json files to string tables again
+`make inject` | `pack` and inject these new tables in a rom copy
+`make diff` | diff the dumped stringtables with the newly packed ones
+`make diff-rom` | diff modified rom with supplied baserom