added Coedit custom tool example

lazproj/test/coeditproj/googlesearchdlang.coedit

@@ -0,0 +1,22 @@
+object CurrentProject: TCEProject
+  OptionsCollection = <  
+    item
+      name = 'release'
+      outputOptions.inlining = True
+      outputOptions.noBoundsCheck = False
+      outputOptions.boundsCheck = offAlways
+      outputOptions.optimizations = True
+      outputOptions.release = True
+      pathsOptions.outputFilename = '<CAP>googlesearch'
+      preBuildProcess.options = []
+      preBuildProcess.showWindow = swoNone
+      postBuildProcess.options = []
+      postBuildProcess.showWindow = swoNone
+      runOptions.options = []
+      runOptions.showWindow = swoNone
+    end>
+  Sources.Strings = (
+    '..\src\googlesearch.d'
+  )
+  ConfigurationIndex = 0
+end

lazproj/test/src/googlesearch.d

@@ -0,0 +1,21 @@
+module googlesearch;
+
+/*
+Coedit custom tool:
+search some help about the current identifier.
+executable: <CAP>\googlesearch.exe
+parameters: <CI>
+*/
+
+static const string prefix = "http://www.google.com/search?q=\"dlang.org+";
+static const string suffix = "&btnI=Im+Feeling+Lucky";
+
+void main(string args[])
+{
+    if (args.length == 1)
+        return;
+
+    auto url = prefix ~ args[1]~ suffix;
+	import std.process: browse;
+    browse(url);
+}