josm: add page (#6007)

pages/common/josm.md

@@ -0,0 +1,32 @@
+# josm
+
+> Extensible OpenStreetMap editor for Java 8+.
+> More information: <https://josm.openstreetmap.de/>.
+
+- Launch JOSM:
+
+`josm`
+
+- Launch JOSM in maximized mode:
+
+`josm --maximize`
+
+- Launch JOSM and set a specific language:
+
+`josm --language {{de}}`
+
+- Launch JOSM and reset all preferences to their default values:
+
+`josm --reset-preferences`
+
+- Launch JOSM and download a specific bounding box:
+
+`josm --download {{minlat,minlon,maxlat,maxlon}}`
+
+- Launch JOSM and download a specific bounding box as raw GPS:
+
+`josm --downloadgps {{minlat,minlon,maxlat,maxlon}}`
+
+- Launch JOSM without plugins:
+
+`josm --skip-plugins`