docs: update main README and add IPFS dual licence

LICENSE-APACHE

@@ -0,0 +1,5 @@
+Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

LICENSE-MIT

@@ -0,0 +1,19 @@
+The MIT License (MIT)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

README.md

@@ -24,11 +24,11 @@ _:warning: this repo is planned to be moved on the IPFS organization_
   * Lower watermarks in conn manager
   * Use QUIC transport to be more resilient in case of switching between wifi/cellular
   * Background uploads & tasks
-  * Connections prioritization by assigning them weight depending on their types, the platform, and the connectivity context
+  * Connections prioritization by assigning them weight depending on their types, the platform and the connectivity context
 * Solutions we'd like to see
   * Native libp2p implementations
   * Better discovery of peers
-  * Better cache solutions to avoid a long warm-up that doesn't fit in a short time frame (switch foreground -> background)
+  * Better caching solutions to avoid a long warm-up that doesn't fit in a short time frame (switch foreground -> background)
 * Shared resources for mobile IPFS best practices
   * [**gomobile-ipfs** issues](https://github.com/berty/gomobile-ipfs/issues) _(this repo)_
   * [**go-ipfs** issues](https://github.com/ipfs/go-ipfs/issues)
@@ -44,7 +44,22 @@ _(alphabetically sorted)_
 
 ## Install
 
-_FIXME: TODO_
+### Prerequisites
+
+* For Android: you need to install and configure properly the Android SDK/NDK on your machine
+* For iOS: you need to install XCode on a macOS machine
+
+_More info [here](https://godoc.org/golang.org/x/mobile/cmd/gomobile#hdr-Build_a_library_for_Android_and_iOS)_
+
+### Build
+
+* Run `make build.android` or `make build.ios`
+
+_Run `make` to display the command list_
+
+### Code example
+
+* A code example/demo is available [here](./example/react-native)
 
 ## Maintainers
 
@@ -58,5 +73,4 @@ The current maintainers of this repo are (sorted alphabetically):
 
 ## License
 
-
-_FIXME: TODO_
+Dual [MIT](./LICENSE-MIT)/[Apache-2.0](./LICENSE-APACHE) license