Merge hacking into readme

HACKING.md

@@ -1,37 +0,0 @@
-# Blueprint files
-
-When adding a new Blueprint file in `data/res/`, remember to add it to the
-following file lists:
-
- - list of bluprint sources in `data/res/meson.build`
- - list of resources in `data/res/musicus.gresource.xml` (`.blp` replaced with
-   `.ui`)
- - list of translatable files in `po/POTFILES`
-
-# Internationalization
-
-Execute the following commands from the project root directory to update
-translation files whenever translatable strings have been changed.
-
-1. Update `template.pot`
-
-    ```bash
-    xgettext \
-        --from-code=UTF-8 \
-        --add-comments \
-        --keyword=_ \
-        --keyword=C_:1c,2 \
-        --files-from=po/POTFILES \
-        --output=po/template.pot
-    ```
-
-2. Update translation files
-
-    ```bash
-    msgmerge \
-        --update \
-        --backup=off \
-        --no-fuzzy-matching \
-        po/de.po \
-        po/template.pot
-    ```

README.md

@@ -4,4 +4,40 @@ The classical music player and organizer.
 
 ## Hacking
 
-See [HACKING.md](HACKING.md) for useful information on developing Musicus.
+## Blueprint files
+
+When adding a new Blueprint file in `data/res/`, remember to add it to the
+following file lists:
+
+ - list of bluprint sources in `data/res/meson.build`
+ - list of resources in `data/res/musicus.gresource.xml` (`.blp` replaced with
+   `.ui`)
+ - list of translatable files in `po/POTFILES`
+
+## Internationalization
+
+Execute the following commands from the project root directory to update
+translation files whenever translatable strings have been changed.
+
+1. Update `template.pot`
+
+    ```bash
+    xgettext \
+        --from-code=UTF-8 \
+        --add-comments \
+        --keyword=_ \
+        --keyword=C_:1c,2 \
+        --files-from=po/POTFILES \
+        --output=po/template.pot
+    ```
+
+2. Update translation files
+
+    ```bash
+    msgmerge \
+        --update \
+        --backup=off \
+        --no-fuzzy-matching \
+        po/de.po \
+        po/template.pot
+    ```