Use Deskflow Name (#7519)

* Use Deskflow Name

* Remove business-oriented options from issue templates

* Remove business-oriented workflow

* Bump version to 3.0.0 (to avoid confusion with previously used version numbers 1.x & 2.x)

* Update readme to reflect new project name and goals

* Found some more "synergy" to rename

* Rename `synlib` to `app`

* Rename `syntool` to `deskflow-legacy`

* Rename `synwinhk` to `dfwhook`

* Rename dirs from synergy to deskflow

* Rename more "Synergy" files

* Rename app bundle ID

* Fixed copyright typo

* Rename only title in serial key dialog (to be moved downstream later)

* Preserve original serial key window for moving downstream

* Restore dialogs ready for moving downstream

* Rename `QDeskflowApplication` to `DeskflowApplication` (the Q is confusing)

* Restore Volker's original project name

* Fixed mimetype

* Fixed weird grammar

* Fixed (more) weird grammar

* Broken link, restoring (but we should move all links out of source)

* Broken link, restoring (but we should move all links out of source)

* Add write permission to valgrind-analysis.yml

* Restore AUR conflicts

* Apply Clang format

* Update ChangeLog

* Back out version change

---------

Co-authored-by: Nick Bolton <nick@symless.com>

src/lib/arch/IArchMultithread.h

@@ -1,5 +1,5 @@
 /*
- * synergy -- mouse and keyboard sharing utility
+ * Deskflow -- mouse and keyboard sharing utility
  * Copyright (C) 2012-2016 Symless Ltd.
  * Copyright (C) 2002 Chris Schoeneman
  *
@@ -66,7 +66,7 @@ typedef ArchThreadImpl *ArchThread;
 //! Interface for architecture dependent multithreading
 /*!
 This interface defines the multithreading operations required by
-synergy.  Each architecture must implement this interface.
+deskflow.  Each architecture must implement this interface.
 */
 class IArchMultithread : public IInterface {
 public: