Change layout to more go-style-ish, replace some modules

* Deejay files, split them to achieve go-style project layout
* Replace logrus with log/slog module to reduce dependencies
* Replace gopkg.in/ini.v1 with github.com/wlevene/ini to make sure all modules BSD licensed
* Update linter config && fix tons of linter warnings
* Update .gitignore
* Update README.md

vendor/golang.org/x/sys/unix/affinity_linux.go

@@ -38,8 +38,15 @@ func SchedSetaffinity(pid int, set *CPUSet) error {
 
 // Zero clears the set s, so that it contains no CPUs.
 func (s *CPUSet) Zero() {
+	clear(s[:])
+}
+
+// Fill adds all possible CPU bits to the set s. On Linux, [SchedSetaffinity]
+// will silently ignore any invalid CPU bits in [CPUSet] so this is an
+// efficient way of resetting the CPU affinity of a process.
+func (s *CPUSet) Fill() {
 	for i := range s {
-		s[i] = 0
+		s[i] = ^cpuMask(0)
 	}
 }