Serving files is working

Right now we're not doing any streaming and this isn't ideal. I'll need
to figure it out at some point.

Cargo.lock

@@ -34,6 +34,27 @@ dependencies = [
  "trust-dns-resolver",
 ]
 
+[[package]]
+name = "actix-files"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "193b22cb1f7b4ff12a4eb2415d6d19e47e44ea93e05930b30d05375ea29d3529"
+dependencies = [
+ "actix-http",
+ "actix-service",
+ "actix-web",
+ "bitflags",
+ "bytes",
+ "derive_more",
+ "futures-core",
+ "futures-util",
+ "log",
+ "mime",
+ "mime_guess",
+ "percent-encoding",
+ "v_htmlescape",
+]
+
 [[package]]
 name = "actix-http"
 version = "1.0.1"
@@ -809,7 +830,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac746a5f3bbfdadd6106868134545e684693d54d9d44f6e9588a7d54af0bf980"
 dependencies = [
  "typenum",
- "version_check",
+ "version_check 0.9.2",
 ]
 
 [[package]]
@@ -919,6 +940,7 @@ dependencies = [
 name = "image-api"
 version = "0.1.0"
 dependencies = [
+ "actix-files",
  "actix-rt",
  "actix-web",
  "bcrypt",
@@ -1098,6 +1120,16 @@ version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2a60c7ce501c71e03a9c9c0d35b861413ae925bd979cc7a4e30d060069aaac8d"
 
+[[package]]
+name = "mime_guess"
+version = "2.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2684d4c2e97d99848d30b324b00c8fcc7e5c897b7cbb5819b09e7c90e8baf212"
+dependencies = [
+ "mime",
+ "unicase",
+]
+
 [[package]]
 name = "miniz_oxide"
 version = "0.3.7"
@@ -1169,6 +1201,16 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "nom"
+version = "4.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2ad2a91a8e869eeb30b9cb3119ae87773a8f4ae617f41b1eb9c154b2905f7bd6"
+dependencies = [
+ "memchr",
+ "version_check 0.1.5",
+]
+
 [[package]]
 name = "num-bigint"
 version = "0.2.6"
@@ -1754,6 +1796,15 @@ version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "373c8a200f9e67a0c95e62a4f52fbf80c23b4381c05a17845531982fa99e6b33"
 
+[[package]]
+name = "unicase"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
+dependencies = [
+ "version_check 0.9.2",
+]
+
 [[package]]
 name = "unicode-bidi"
 version = "0.3.4"
@@ -1801,12 +1852,49 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "v_escape"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "660b101c07b5d0863deb9e7fb3138777e858d6d2a79f9e6049a27d1cc77c6da6"
+dependencies = [
+ "v_escape_derive",
+]
+
+[[package]]
+name = "v_escape_derive"
+version = "0.5.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c2ca2a14bc3fc5b64d188b087a7d3a927df87b152e941ccfbc66672e20c467ae"
+dependencies = [
+ "nom",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "v_htmlescape"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e33e939c0d8cf047514fb6ba7d5aac78bc56677a6938b2ee67000b91f2e97e41"
+dependencies = [
+ "cfg-if",
+ "v_escape",
+]
+
 [[package]]
 name = "vcpkg"
 version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6454029bf181f092ad1b853286f23e2c507d8e8194d01d92da4a55c274a5508c"
 
+[[package]]
+name = "version_check"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
+
 [[package]]
 name = "version_check"
 version = "0.9.2"