Rename cabal file name to dear-imagui.cabal to match pacakge name

dear-imgui.cabal

@@ -0,0 +1,95 @@
+cabal-version: 3.0
+name: dear-imgui
+version: 1.0.0
+build-type: Simple
+
+flag opengl
+  description:
+    Enable OpenGL backend.
+  default:
+    True
+  manual:
+    False
+
+flag sdl
+  description:
+    Enable SDL backend.
+  default:
+    True
+  manual:
+    False
+
+library
+  exposed-modules:
+    DearImGui
+    DearImGui.Context
+  hs-source-dirs:
+    src
+  default-language:
+    Haskell2010
+  ghc-options:
+    -Wall
+  cxx-sources:
+    imgui/imgui.cpp
+    imgui/imgui_demo.cpp
+    imgui/imgui_draw.cpp
+    imgui/imgui_tables.cpp
+    imgui/imgui_widgets.cpp
+  cxx-options:
+    -std=c++11
+  extra-libraries:
+    stdc++
+  include-dirs:
+    imgui
+  build-depends:
+      base
+    , containers
+    , inline-c
+    , inline-c-cpp
+    , StateVar
+
+  if flag(opengl)
+    exposed-modules:
+      DearImGui.OpenGL
+    cxx-sources:
+      imgui/backends/imgui_impl_opengl2.cpp
+    if os(windows)
+      extra-libraries:
+        opengl32
+    else
+      extra-libraries:
+        GL
+
+  if flag(sdl)
+    exposed-modules:
+      DearImGui.SDL
+    build-depends:
+      sdl2
+    cxx-sources:
+      imgui/backends/imgui_impl_sdl.cpp
+
+    if os(windows) || os(darwin)
+      extra-libraries:
+        sdl2
+    else
+      pkgconfig-depends:
+        sdl2
+
+    if flag(opengl)
+      exposed-modules:
+        DearImGui.SDL.OpenGL
+
+
+executable test
+  main-is: Main.hs
+  default-language: Haskell2010
+  build-depends: base, sdl2, gl, dear-imgui
+  ghc-options: -Wall
+
+
+executable readme
+  main-is: Readme.hs
+  hs-source-dirs: examples
+  default-language: Haskell2010
+  build-depends: base, sdl2, gl, dear-imgui, managed
+  ghc-options: -Wall