chore: add gitignore and build configuration

src/Fml.Cli/Fml.Cli.fsproj

@@ -0,0 +1,16 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Compile Include="Program.fs" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Fml.Core\Fml.Core.fsproj" />
+  </ItemGroup>
+
+</Project>

src/Fml.Core/Fml.Core.fsproj

@@ -0,0 +1,23 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Compile Include="Ast.fs" />
+    <Compile Include="Types.fs" />
+    <Compile Include="Lexer.fs" />
+    <Compile Include="Parser.fs" />
+    <Compile Include="Decls.fs" />
+    <Compile Include="Match.fs" />
+    <Compile Include="Infer.fs" />
+    <Compile Include="Value.fs" />
+    <Compile Include="Eval.fs" />
+    <Compile Include="Prelude.fs" />
+    <Compile Include="Bytecode.fs" />
+    <Compile Include="Vm.fs" />
+    <Compile Include="Interpreter.fs" />
+  </ItemGroup>
+
+</Project>