Adding README and LICENSE

LICENSE

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+Copyright (C) 2021 by Tai Groot <tai@taigrr.com>
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

README.md

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+[![PkgGoDev](https://pkg.go.dev/badge/github.com/taigrr/adb)](https://pkg.go.dev/github.com/taigrr/adb)
+# adb
+
+This library aims at providing idiomatic `adb` bindings for go developers, in order to make it easier to write system tooling using golang.
+This tool tries to take guesswork out of arbitrarily shelling out to `adb` by providing a structured, thoroughly-tested wrapper for the `adb` functions most-likely to be used in a system program.
+
+If `adb` must be installed in your path `PATH`.
+
+## What is adb
+
+`adb`, the Android Debug Bridge, is a command-line program which allows a user to remote-control and debug Android devices.
+
+
+## Supported adb functions
+
+- [ ] `adb connect`
+- [ ] `adb disconnect`
+- [ ] `adb shell <input>s`
+- [ ] `adb kill-server`
+- [ ] `adb device`
+- [ ] `adb pull`
+- [ ] `adb install`
+- [ ] `adb push`
+- [ ] `adb reboot`
+- [ ] `adb tap X Y`
+- [ ] `adb swipe X1 Y1 X2 Y2 duration`
+
+Please note that as this is a purpose-driven project library, not all functionality of ADB is currently supported, but if you need functionality that's not currently supported,
+Feel free to [Open an Issue](https://github.com/taigrr/adb/issues) or [Submit a Pull Request](https://github.com/taigrr/adb/pulls)
+
+## Helper functionality
+
+- In addition to using the shell commands, this library provides helper methods for stateful connections.
+  That is, you can connect to a device and get back a handler object and call functions against it with better error handling.
+
+- In addition to the connection commands, this library also has helper functions for many common shell commands, including:
+  - [ ] pm grant
+  - [ ] am start
+  - [ ] dumpsys
+  - [ ] screencap
+  - [ ] screenrecord
+  - [ ] rm
+
+
+
+## Useful errors
+
+All functions return a predefined error type, and it is highly recommended these errors are handled properly.
+
+## Context support
+
+All calls into this library support go's `context` functionality.
+Therefore, blocking calls can time out according to the caller's needs, and the returned error should be checked to see if a timeout occurred (`ErrExecTimeout`).
+
+## Simple example
+
+```go
+package main
+
+import (
+    "context"
+    "fmt"
+    "log"
+    "time"
+
+    "github.com/taigrr/adb"
+)
+
+func main() {
+    ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+    defer cancel()
+    // Equivalent to `adb connect 192.168.2.5` with a 10 second timeout
+    opts := adb.Options{ Address: "192.168.2.5" }
+    dev, err := adb.Connect(ctx, opts)
+    if err != nil {
+        log.Fatalf("unable to connect to device %s: %v", opts.Address, err)
+    }
+	err = dev.Disconnect()
+    if err != nil {
+        log.Fatalf("unable to disconnect from device %s: %v", opts.Address, err)
+    }
+}
+```
+
+## License
+
+This project is licensed under the 0BSD License, written by [Rob Landley](https://github.com/landley).
+As such, you may use this library without restriction or attribution, but please don't pass it off as your own.
+Attribution, though not required, is appreciated.
+
+By contributing, you agree all code submitted also falls under the License.
+
+## External resources
+
+- [Official adb documentation](https://developer.android.com/studio/command-line/adb)
+- [Inspiration for this repo](https://github.com/taigrr/systemctl)