WIP "Spiral" & "Square Spiral" magic tools

Needs docs, icons, sound effects, and correct grouping/ordering.
For https://sourceforge.net/p/tuxpaint/feature-requests/261/

src/po/ja.po

@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: tuxpaint 0.9.29\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-10-02 23:33-0700\n"
+"POT-Creation-Date: 2024-10-04 21:06-0700\n"
 "PO-Revision-Date: 2024-06-15 21:26+0900\n"
 "Last-Translator: Shin-ichi TOYAMA <dolphin6k@wmail.plala.or.jp>\n"
 "Language-Team: japanese <dolphin6k@wmail.plala.or.jp>\n"
@@ -394,7 +394,8 @@ msgstr ""
 #| msgid "New Magic tools: Dither, Filled Polygon."
 msgid ""
 "New Magic tools: \"Comic dots\", \"Rotate\", various \"ASCII\" art, various "
-"\"Fractals\", \"Crescent\", and \"Spray Paint\"."
+"\"Fractals\", \"Crescent\", \"Spray Paint\", \"Spiral\" and \"Square "
+"Spiral\"."
 msgstr "「まほう」ツールの追加: 「ディザ」「たかっけい」"
 
 #: ../org.tuxpaint.Tuxpaint.appdata.xml.in:54
@@ -2998,6 +2999,28 @@ msgstr "えを クリックして ぜんたいに ゆきだまを かこう。"
 msgid "Click to add snow flakes to your picture."
 msgstr "えを クリックして ぜんたいに ゆきを ふらせよう。"
 
+#: ../../magic/src/spiral.c:41
+msgid "Spiral"
+msgstr ""
+
+#: ../../magic/src/spiral.c:42
+#, fuzzy
+#| msgid "Square"
+msgid "Square Spiral"
+msgstr "ましかく"
+
+#: ../../magic/src/spiral.c:46
+#, fuzzy
+#| msgid "Click and drag to draw large pixels."
+msgid "Click and drag to create a spiral."
+msgstr "おおきなドットのふでで せんを かこう。"
+
+#: ../../magic/src/spiral.c:47
+#, fuzzy
+#| msgid "Click and drag to draw large pixels."
+msgid "Click and drag to create a square spiral."
+msgstr "おおきなドットのふでで せんを かこう。"
+
 #: ../../magic/src/spraypaint.c:104
 #, fuzzy
 #| msgid "Metal Paint"